Fatto generale: 24175 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 24175 is an unremarkable number.
Trivia: 24175 is an unremarkable number.
Data storica: March 9th is the day in 1841 that the U.S. Supreme Court rules that captive Africans who had seized control of the ship carrying them had been taken into slavery illegally.